Ceramic rear bearing for the 2009 Spec NovaRossi Plus 4, p5XS, 528, RBC6 and others using this size. The bearing dimensions are 14mm x 25.8mm x 6mm and have an offset race to provide better crankshaft support.

***IMPORTANT: Balls face the rear of the engine.***

The bearings have double the RPM capability over steel and reduce friction,rotating mass and vibration. Material specs 52100 bearing steel, poly cage, Cerbec balls grade 3.

Used and recommended by EB Mods, RB Mods, RECAB and Adam Drake, Team Losi